157021791 (number)

157021791 is an odd 9-digits composite number following 157021790 and preceding 157021792. In scientific notation, it is written as 1.57021791 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 104681192 positive integers (up to 157021791) that are relatively prime to 157021791.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million twenty-one thousand seven hundred ninety-one

Notation

Scientific notation 1.57021791 × 10^8
Engineering notation 1.57021791 × 10^6

Prime Factorization of 157021791

Prime Factorization 3 × 52340597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157021791
Product of the distinct prime numbers

The prime factorization of 157021791 is 3 × 52340597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157021791)

Multiplication

n×y
n×2 314043582
n×3 471065373
n×4 628087164
n×5 785108955

Division

n÷y
n÷2 78510895.5
n÷3 52340597
n÷3 39255447.75
n÷5 31404358.2

Exponentiation

ny
n2 24655842848847681
n3 3.8715046027406E+24
n4 6.0791058658707E+32
n5 9.5455209073763E+40

Nth Root

y√n
2√n 12530.833611536
3√n 539.49402880479
4√n 111.94120604825
5√n 43.570443973703

Divisors of 157021791

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157021790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157021791 can be divided by 4 positive divisors. The sum of these divisors (counting 157021791) is 1, the average is 0.25.

Base conversion 157021791

Base System Value
2 Binary 1001010110111111011001011111
3 Ternary 101221110112101220
4 Quaternary 21112333121133
5 Quinary 310144144131
6 Senary 23325304423
8 Octal 1126773137
10 Decimal 157021791
12 Duodecimal 44705113
16 Hexadecimal 95bf65f
20 Vigesimal 2917e9b
36 Base36 2lhisf

Cryptographic Hash Functions

md5 d2c6533253f1948dc635624ec56e7c00
sha1 ab204d2eef5f4e1951b3dd60ffd2d7e228cf1d28
sha256 1f58dc4bd58dfe1aa42378f3d013e72973626482686e290e651b89a8378bf249
sha512 713c25d725c81bccc962c53a6ff18a2f528d769e17752321eef23380242d797c7308d0f9a9d8fedfa7a85c41d9975a114521990947b1a0ea2e276154dfe6e021
ripemd-160 6a983da09f3b54294a6fdbbf1de4be9e6ab660f5

157021791 as geometric shapes

Circle

Radius = n
Diameter 314043582
Circumference 986597010.11822
Area 7.7458614762004E+16

Sphere

Radius = n
Volume 1.6216920557745E+25
Surface area 3.0983445904802E+17
Circumference 986597010.11822

Square

Length = n
Perimeter 628087164
Area 24655842848847681
Diagonal 222062346.42031

Cube

Length = n
Surface area 147935057093086086
Volume 3.8715046027406E+24
Space diagonal 271969719.90746

Equilateral Triangle

Length = n
Perimeter 471065373
Area 1.0676293129409E+16
Altitude 135984859.95373

Triangular Pyramid

Length = n
Surface area 1.0676293129409E+16
Volume 4.562611929988E+23
Height 74020782.140105